Finding the Fourth Proportional to 2,547, 3,820.76 and 791.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547 : 3,820.76 = 791.94 : x
2. Step 2: Convert to fraction form
   2,547/3,820.76 = 791.94/x
3. Step 3: Cross multiply
   2,547x = 3,820.76 × 791.94
4. Step 4: Simplify right side
   2,547x = 3,025,808.71
5. Step 5: Solve for x
   x = 3,025,808.71/2,547
6. Step 6: Final answer
   x = 1,187.99